Youssef Belhadj

Youssef Belhadj (born 1977), also known as Aby Dujanah, was a Moroccan member of Al-Qaeda who was behind the 2004 Madrid train bombings.

Biography
Belhadj was born in Morocco in 1977 and joined Al-Qaeda's Casablanca cell, responsible for a bombing in that city. He took on the nom de guerre of Aby Dujanah and claimed responsibility for the 2004 Madrid train bombings, and he was arrested on 1 February 2005 in Belgium. He was sentenced to 12 years in prison.